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help / color / mirror / Atom feedFrom: David G. Johnston <[email protected]>
To: Willow Chargin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: Functionally dependent columns in SELECT DISTINCT
Date: Fri, 13 Sep 2024 10:46:10 -0700
Message-ID: <CAKFQuwYrn=Z2Yk4CJ_FGBrsu4ubvcqK101VmzviyfY0chy+=SQ@mail.gmail.com> (raw)
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>
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> > or use a lateral subquery to surgically (fetch first 1) retrieve the
> first row when sorted by recency descending.
>
> I'm not sure that I see how to apply this when I need top-k, not top-1.
>
Fetch first k
It's just a modern limit clause.
David J.
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Subject: Re: Functionally dependent columns in SELECT DISTINCT
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